Difference between revisions of "Yamaha YAS 1"
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Revision as of 01:37, 10 November 2019
'Yamaha YAS 1' | |
Manufacturer | [[Yamaha]] |
---|---|
Also called | YAS1 |
Production | 1970 - 1971 |
Engine | twin, two-stroke |
Bore / Stroke | 43.0mm x 43.0mm |
Top Speed | 68 mph (110 km/h) |
Horsepower | 14.62 HP (10.9 KW) @ 8500RPM |
Fuel System | carburetor |
Transmission | Gear box: 5-speed Final Drive: chain |
Brakes | Front: expanding brake Rear: expanding brake (drum brake) |
Front Tire | 2.25-17 |
Rear Tire | 2.50-17 |
Weight | 105.0 kg (wet) |
Recommended Oil | Yamalube 10w-40 |
Fuel Capacity | 2.51 Gallon (9.50 Liters) |
Manuals | Service Manual |
The Yamaha YAS1 was a twin, two-stroke standard produced by Yamaha between 1970 and 1971. It could reach a top speed of 68 mph (110 km/h). Claimed horsepower was 14.62 HP (10.9 KW) @ 8500 RPM.
Engine
The engine was a air cooled twin, two-stroke. A 43.0mm bore x 43.0mm stroke result in a displacement of just 125.0 cubic centimeters. Fuel was supplied via a port control.
Drive
The bike has a 5-speed transmission.
Chassis
It came with a 2.25-17 front tire and a 2.50-17 rear tire. Stopping was achieved via expanding brake in the front and a expanding brake (drum brake) in the rear. The YAS1 was fitted with a 2.51 Gallon (9.50 Liters) fuel tank.